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Subtract 9/8 from 84/45

1st number: 1 39/45, 2nd number: 1 1/8

84/45 - 9/8 is 89/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 8 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    84/45 = 84 × 8/45 × 8 = 672/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    9/8 = 9 × 45/8 × 45 = 405/360
  4. Subtract the two like fractions:
    672/360 - 405/360 = 672 - 405/360 = 267/360
  5. After reducing the fraction, the answer is 89/120

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